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JPL Small-Body Database Browser
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470673 (2008 SM209)
Classification: Main-belt Asteroid          SPK-ID: 2470673
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06539406635636109 3.6976e-07  
a 2.56430208949361 4.6142e-08 au
q 2.39661194849551 9.3717e-07 au
i 14.55011683980942 1.3885e-05 deg
node 6.024514553630703 2.6815e-05 deg
peri 176.4309605748132 7.897e-05 deg
M 125.9243170978301 8.5882e-05 deg
tp 2458475.862524233750
(2018-Dec-23.36252423)		 0.0003591 TDB
period 1499.865122390285
4.11		 4.0482e-05
1.108e-07		 d
yr
n .2400215823582056 6.4783e-09 deg/d
Q 2.731992230491711 4.9159e-08 au
   Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      5322 days (14.57 yr)  
   first obs. used      2004-10-05  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51208  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:19:36  

Additional Information
 Earth MOID = 1.39878 au 
 Jupiter MOID = 2.22592 au 
 T_jup = 3.385 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO472625  

470673 (2008 SM209)          Discovered 2008-Sep-28 by Astronomical Research Observatory at Charleston
Reference: Last Updated: 2016-08-22
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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